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12998758474834 = 21119140812208473
BaseRepresentation
bin1011110100101000001001…
…1000011010010001010010
31201000200001211100111220221
42331022002120122101102
53200432424132143314
643351314110223254
72511062231663446
oct275120230322122
951020054314827
1012998758474834
114161819311540
12155b2b5ab4b2a
13733a156b5142
1432d2011a6826
151781da697824
hexbd28261a452

12998758474834 has 32 divisors (see below), whose sum is σ = 22391806224960. Its totient is φ = 5597151436800.

The previous prime is 12998758474817. The next prime is 12998758474901. The reversal of 12998758474834 is 43847485789921.

It is a super-2 number, since 2×129987584748342 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4781622 + ... + 6990094.

It is an arithmetic number, because the mean of its divisors is an integer number (699743944530).

Almost surely, 212998758474834 is an apocalyptic number.

12998758474834 is a deficient number, since it is larger than the sum of its proper divisors (9393047750126).

12998758474834 is a wasteful number, since it uses less digits than its factorization.

12998758474834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222586.

The product of its digits is 3901685760, while the sum is 79.

The spelling of 12998758474834 in words is "twelve trillion, nine hundred ninety-eight billion, seven hundred fifty-eight million, four hundred seventy-four thousand, eight hundred thirty-four".

Divisors: 1 2 11 19 22 38 209 418 14081 28162 154891 267539 309782 535078 2208473 2942929 4416946 5885858 24293203 41960987 48586406 83921974 461570857 923141714 31097508313 62195016626 342072591443 590852657947 684145182886 1181705315894 6499379237417 12998758474834